package net.sppan.base.common.utils;

import java.awt.image.BufferedImage;
import java.io.*;

import org.apache.commons.lang3.StringUtils;
import org.krysalis.barcode4j.HumanReadablePlacement;
import org.krysalis.barcode4j.impl.code39.Code39Bean;
import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider;
import org.krysalis.barcode4j.tools.UnitConv;


/**
 * 条形码工具类
 *
 * @author tangzz
 * @createDate 2015年9月17日
 *
 */

public class BarcodeUtil {

/**
     * 生成文件
     *
     * @param msg
     * @param path
     * @return
     */

    public static File generateFile(String msg, String path) {
        File file = new File(path);
        try {
            generate(msg, new FileOutputStream(file));
        } catch (FileNotFoundException e) {
            throw new RuntimeException(e);
        }
        return file;
    }


/**
     * 生成字节
     *
     * @param msg
     * @return
     */

    public static byte[] generate(String msg) {
        ByteArrayOutputStream ous = new ByteArrayOutputStream();
        generate(msg, ous);
        return ous.toByteArray();
    }


/**
     * 生成到流
     *
     * @param msg
     * @param ous
     */

    public static void generate(String msg, OutputStream ous) {
        if (StringUtils.isEmpty(msg) || ous == null) {
            return;
        }

        Code39Bean bean = new Code39Bean();

        // 精细度
        final int dpi = 150;
        // module宽度
        final double moduleWidth = UnitConv.in2mm(1.0f / dpi);

        // 配置对象
        bean.setModuleWidth(moduleWidth);
        bean.setWideFactor(3);
        bean.doQuietZone(false);
        bean.setMsgPosition(HumanReadablePlacement.HRP_NONE);
        String format = "image/png";
        try {

            // 输出到流
            BitmapCanvasProvider canvas = new BitmapCanvasProvider(ous, format, dpi,
                    BufferedImage.TYPE_BYTE_BINARY, false, 0);

            // 生成条形码
            bean.generateBarcode(canvas, msg);

            // 结束绘制
            canvas.finish();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }



    public static  File generate2(String msg,String path){
        //String msg = "2E2A3B0";
        //String path = "D:/images/666.png";
        int height = 160;
        double width = UnitConv.in2mm(1.0f / height);
        File file = new File(path);
        OutputStream out;
        try {
            out = new FileOutputStream(file);
        } catch (FileNotFoundException e) {
            throw new RuntimeException(e);
        }
        Code39Bean c39 = new Code39Bean();

        // 设置属性
        c39.setModuleWidth(width);
        c39.setWideFactor(2);
        c39.setMsgPosition(HumanReadablePlacement.HRP_NONE);


        String format = "image/png";
        BitmapCanvasProvider canvas = new BitmapCanvasProvider(out, format, height, BufferedImage.TYPE_BYTE_BINARY,
                false, 0);
        // 生成图片
        c39.generateBarcode(canvas, msg);
        try {
            // 关闭流
            canvas.finish();
            System.out.println("ok...");
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
        return file;
    }

    public static void main(String[] args) throws FileNotFoundException {
        String msg = "70asdsd255403";
        String path = "D:/barcode.png";
        generate2(msg, path);
        /*String s = "1234";
        char[] c=s.toCharArray();
        char[] c2 = new char[4];
        for (int i = 4; i < ; i++) {
        }
        */
    }
}

